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 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package ensemble.samples.controls.treeview;

import java.util.Arrays;
import javafx.application.Application;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.stage.Stage;

/**
 * An implementation of the TreeView control displaying an expandable tree root
 * node.
 *
 * @sampleName TreeView
 * @preview preview.png
 * @see javafx.scene.control.TreeView
 * @embedded
 */
public class TreeViewApp extends Application {

    public Parent createContent() {
        final TreeItem<String> treeRoot = new TreeItem<String>("Root node");
        treeRoot.getChildren().addAll(Arrays.asList(
                new TreeItem<String>("Child Node 1"),
                new TreeItem<String>("Child Node 2"),
                new TreeItem<String>("Child Node 3")));

        treeRoot.getChildren().get(2).getChildren().addAll(Arrays.asList(
                new TreeItem<String>("Child Node 4"),
                new TreeItem<String>("Child Node 5"),
                new TreeItem<String>("Child Node 6"),
                new TreeItem<String>("Child Node 7"),
                new TreeItem<String>("Child Node 8")));

        final TreeView treeView = new TreeView();
        treeView.setShowRoot(true);
        treeView.setRoot(treeRoot);
        treeRoot.setExpanded(true);

        return treeView;

    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        primaryStage.setScene(new Scene(createContent()));
        primaryStage.show();
    }

    /**
     * Java main for when running without JavaFX launcher
     * @param args command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
}
